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670033 = 71337199
BaseRepresentation
bin10100011100101010001
31021001010001
42203211101
5132420113
622210001
75460310
oct2434521
91231101
10670033
11418451
12283901
131a5c90
14136277
15d37dd
hexa3951

670033 has 16 divisors (see below), whose sum is σ = 851200. Its totient is φ = 513216.

The previous prime is 670031. The next prime is 670037. The reversal of 670033 is 330076.

It is a happy number.

It is a 2-Lehmer number, since φ(670033) divides (670033-1)2.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 670033 - 21 = 670031 is a prime.

It is a deceptive number, since it divides R670032.

It is not an unprimeable number, because it can be changed into a prime (670031) by changing a digit.

It is a Kaprekar number, because its square (448944221089) can be partitioned into two parts whose sum is 670033.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3268 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

It is a Poulet number, since it divides 2670032-1.

2670033 is an apocalyptic number.

670033 is the 518-th heptagonal number.

It is an amenable number.

670033 is a deficient number, since it is larger than the sum of its proper divisors (181167).

670033 is a wasteful number, since it uses less digits than its factorization.

670033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 670033 is about 818.5554348974. Note that the first 3 decimals coincide. The cubic root of 670033 is about 87.5048378278.

The spelling of 670033 in words is "six hundred seventy thousand, thirty-three".

Divisors: 1 7 13 37 91 199 259 481 1393 2587 3367 7363 18109 51541 95719 670033